2021 Cadillac CT5 range per tank
Combined range, Luxury RWD
442 miles per tank
- Tank
- 17 gal
- 26 mpg combined
- Highway range
- 544 miles
- City range
- 391 miles
- Fill-up
- $73.95
Regular price shown. Premium costs more.
- Every trim
- 357 to 442 miles
- 8 of 12 trims rated
- Class rank
- Top 41%
- 79 sedans (2021)
Gas $4.35 (EIA, week of Oct 5, 2026).
Miles per tank by trim
Source marks: two or more sources agreeone source
| Trim | Engine | Tank, gal | City mpg | Hwy mpg | Combined mpg | City, mi | Hwy, mi | Combined, mi | Fill-up |
|---|---|---|---|---|---|---|---|---|---|
| 4dr Sdn Luxury RWD | 2.0L 4cyl | 17.0 | 23 | 32 | 26 | 391 | 544 | 442 | $73.95 |
| Luxury RWD | 2.0L 4cyl | 17.0 | 23 | 32 | 26 | 391 | 544 | 442 | $73.95 |
| 4dr Sdn Premium Luxury RWD | 2.0L 4cyl | 17.0 | 23 | 32 | 26 | 391 | 544 | 442 | $73.95 |
| Premium Luxury RWD | 2.0L 4cyl | 17.0 | 23 | 32 | 26 | 391 | 544 | 442 | $73.95 |
| 4dr Sdn Sport RWD | 2.0L 4cyl | 17.0 | 23 | 32 | 26 | 391 | 544 | 442 | $73.95 |
| Sport RWD | 2.0L 4cyl | 17.0 | 23 | 32 | 26 | 391 | 544 | 442 | $73.95 |
| 4dr Sdn V-Series RWD | 3.0L 6cyl | 17.0 | 18 | 27 | 21 | 306 | 459 | 357 | $73.95 |
| V-Series RWD | 3.0L 6cyl | 17.0 | 18 | 27 | 21 | 306 | 459 | 357 | $73.95 |
Rivals
| Car | Cheapest trim | Range |
|---|---|---|
| 2021 Cadillac CT5 | Luxury RWD | 442 miles per tank |
| 2021 Volkswagen Arteon | SE FWD | 455 miles per tank |
| 2021 Nissan Maxima | SV FWD | 432 miles per tank |
| 2021 Subaru WRX STI | STI Limited Manual w/Lip Spoiler | 286 miles per tank |
| 2021 INFINITI Q50 | PURE RWD | 460 miles per tank |
| 2021 Acura TLX | FWD | 398 miles per tank |
| 2021 Mercedes-Benz CLA | 250 FWD | 392 miles per tank |
What this cannot tell you
EPA ratings. Real range differs.
Tank size from maker specs. Usable volume is less.
- Two or more sources agree
- One source
- Model-level or estimate
- Sources differ
Gas price: U.S. Energy Information Administration, U.S. regular, week of Oct 5, 2026. EIA weekly prices